### Home > CCA > Chapter 5 > Lesson 5.2.1 > Problem 5-50

5-50.

For the function

*f*(1)Substitute 1 for

*x*.*f*(1) = 1*f*(9)*f*(4)*f*(0)The square root of a negative number is undefined.

What value of

*x*makes*f*(*x*) = 6?Substitute 6 for

*f*(*x*).Square both sides.

36 = 3

*x*− 2Solve for

*x*.